The EMC group is for the discussion of technical issues that arise during the installation or daily administration of EMC products. Products could include EMC Celerra, CLARiiON, Connectrix, EMC Centera, Iomega, Symmetrix, VPLEX, Atmos, Ionix Control Center, and PowerPath.

What Determines Which Domain Controller is Selected by a Celerra?

1.How SPECIFICALLY does a Celerra select a Domain Controller to answer its AD related questions? I know it uses “the cheapest route” but that is a little ambiguous. I would also like to know if the method it uses can be changed to use hard coded DCs?
2. What is the impact of changing the Control Station and the Celerra time?

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Changing time on the CS should impact of logs in terms of being able to correlate logged events to actual events.

Changing the time for the data movers has at least 2 inpacts.

NFS conversations will be impacted if NFS clients and NFS server ( data movers ) are out of sync.
CIFS conversations will be impacted if Kerberous ticket issuer and kerberous ticket consumer are out of sync. This means CIFS server cannot authenticate with AD server, leading to loss of CIFS shares visibility.

Best plan is to use NTP for all clients taking part in conversation, this includes all OS.

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